CATHODE MATERIAL FOR LITHIUM SECONDARY BATTERY, CATHODE COMPRISING SAME, AND LITHIUM SECONDARY BATTERY

CATHODE MATERIAL FOR LITHIUM SECONDARY BATTERY, CATHODE COMPRISING SAME, AND LITHIUM SECONDARY BATTERY

The present invention relates to a positive electrode material, which includes a first lithium transition metal oxide and a second lithium transition metal oxide having a smaller average particle diameter (D50) than the first lithium transition metal oxide, wherein particle strength of the first lit...

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Bibliographische Detailangaben
Hauptverfasser: HAN, Song Yi, KWAK, No Woo, AHN, Dong Joon, EOM, Jun Ho, YE, Seong Ji, LEE, Jun Won
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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Beschreibung
Zusammenfassung:The present invention relates to a positive electrode material, which includes a first lithium transition metal oxide and a second lithium transition metal oxide having a smaller average particle diameter (D50) than the first lithium transition metal oxide, wherein particle strength of the first lithium transition metal oxide is 100 MPa or more, and particle strength of the second lithium transition metal oxide is twice or more than the particle strength of the first lithium transition metal oxide, and a positive electrode and a lithium secondary battery which include the same.